Slope Stabalisation Flashcards
1
Q
Profile modification
A
Been ledges-stabilise
Hanging blocks- removed
Toe weight- mass added
Original cause- removed
2
Q
Drainage of slides
A
Surface drain- diversion ditches=concrete reduce infiltration
Shallow drains- reducing soil water
Deep drains- most effective drain out from slide toe
Relief wells- need pumping
Interception tunnels- cut behind slide or reduce ground water inflow
Impermeable clays- respond poorly
3
Q
Mass support
A
Retaining walls- successfully and common on small slopes
Concrete walls- prevent rotation
Dental masonry- replace weak zone with cement or concrete
Gaboon walls- retain soil slopes cheap
Sprayed concrete- reinforcing mesh
4
Q
Ground improvement
A
Vegetation Grotextiles Weathering production Pattern bolting Grouting liming
5
Q
Ground anchors
A
Rockbolts
Grouted dowels
Bored piles
Rock anchors
